Hadoop2.7.0 单机伪分布式安装部署

Hadoop2.7.0 单机伪分布式安装部署

下载解压Hadoop -2.7.0

1.1 wget http://mirror.bit.edu.cn/apache/hadoop/common/hadoop-2.7.0/hadoop-2.7.0.tar.gz

 1.2 解压到 tar –zxvf  hadoop-2.7.0.tar.gz  /mnt/software/hadoop-2.7.0

修改hadoop-env.sh

cd ${HADOOP_HOEM}/etc/hadoop

vi hadoop-env.sh

#追加内容

exportJAVA_HOME=/mnt/software/jdk1.8.0_40

exportHADOOP_SSH_OPTS="-p 10022"

修改core-site.xml

<configuration>

    <property>

        <name>fs.defaultFS</name>

       <value>hdfs://localhost:9000</value>

    </property>

    <property>

        <name>hadoop.tmp.dir</name>

       <value>/tmp/hadoop/tmp/</value>

    </property>

</configuration>

修改hdfs-site.xml

vim hdfs-site.xml

#添加如下内容

<configuration>

    <property>

       <name>dfs.replication</name>

        <value>1</value>

    </property>

</configuration>

格式化hdfs

hdfs namenode –format

注: 出现Exiting with status 0 即为成功

启动hdfs

start-dfs.sh

查看进程

$ jps

10455 NameNode

10841 SecondaryNameNode

22441 Jps

10619 DataNode

使用web查看Hadoop运行状态

http://服务器ip地址:50070/

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